Tag: "sound" at medical news
Doctors in training improve skills via virtual patient
... percent, among the residents who listened to each sound
500 times via electronic stethoscopes. In previous studies, Barrett found that intensive repetition vastly increased stethoscope proficiency among medical students. "This new technology allowed us to test the hypothesis that electronic stethoscopes c...
Cardiac examination skills appear similar among medical students, resident and faculty physicians
...es, including multimedia CD-ROMs, electronic heart sound
simulators and mannequins have been developed to aid in teaching, but none of these can replace contact with and repeated practice on patients, the authors write. Jasminka M. Vukanovic-Criley, M.D., Stanford University School of Medicine, California,...
Physician experience related to accurate identification of third heart sound
...experience are better able to detect a third heart sound
that is an indicator of heart disease, according t...s. While present in children and adolescents, the sound
normally diminishes in adulthood. "The presence of an S3 is associated with adverse cardiovascular o...
Finding a better way to quiet noisy environments
...t is driven by the anti-noise signal to broadcasts sound
waves that are exactly 180 degrees out of phase wi...nd become amplified repeatedly until the resulting sound
becomes an ear-splitting squeal or whistle. "Most people ignore this acoustic coupling but we took i...
New Dutch invention: Varibel, glasses that hear
... better. There is a significant improvement in the sound
quality." With Varibel, natural sounds can still be heard. This solution allows people to hear naturally and clearly in the direction in which they are looking. This has great advantages for daily life. Martin de Jong, audio-technician, says: "With ...
UC Riverside psychologist explores human perception, finds 'wow factor'
...hey speak adds to what we comprehend." The ambient sound
in any room also offers more information than people might expect, Rosenblum said. One experiment asked subjects to listen to recorded sounds and try to recognize where on campus the recordings were made. "We picked different places -- a men's bathro...
Fetuses cannot feel pain, says expert
...sting abortions is not misguided paternalism but a sound
policy based on good evidence that fetuses cannot experience pain," he concludes....
Directly observed therapy does not help fight tuberculosis
...expensive intervention, and there appears to be no sound
reason to advocate its routine use until we understand the situation in which it may be beneficial," says lead Author Professor Jimmy Volmink, Deputy Dean of Research, Faculty of Health Sciences, Stellenbosch University, South Africa Until that evid...
Mayo Clinic finding may double genetic screening effectiveness for sudden death heart condition
...ucture and function using ultrasound. It transmits sound
waves through the heart and records them on an electronic sensor to create a moving picture. Findings In the final step, the researchers matched the gene screening results to traditional exam results -- and found a consistent correlation between he...
Researchers learn more about ways to regenerate the ear's hearing cells
...generate the inner ear's hair cells, which convert sound
vibrations to nerve impulses. In an upcoming issu...he cochlea the organ of the inner ear that senses sound
where they convert sonic vibrations to electrical signals that are carried to the brain. The cells...
What is the sound of one person talking? New speech collection tells all, syllable by syllable
... make some inferences about why people produce the sound
one way as opposed to another." The interviews are also labeled to show when people made non-word sounds during a conversation, such as a cough. "Even laughs are noted, because some researchers may be interested in how that is part of a conversatio...
A new math model finds that the cochlea's spiral shape enhances low frequencies
...me they developed a more sophisticated model. When sound
waves enter the ear, they strike the ear drum and cause it to vibrate. Tiny bones in the ear transmit these vibrations to the fluid in the cochlea, where they travel along the narrowing tube that winds into a spiral. The tube is divided into two cham...
Inhaled steroids help young children breathe but do not prevent chronic asthma
...requent coughing, wheezing (a whistling or squeaky sound
during breathing) or shortness of breath begin during the first three years of life. Declines in lung function can occur this early as well. However, few studies have been conducted in children under 4 years of age. In the PEAK trial, 285 children...
New vaccines to prevent cervical cancer
... Reporters are invited to view the live streaming sound
andvideo of the presentations at http://libvid.utmb.edu and call in questions at (800) 214-0745 or toll(719) 457-0700. Passcode is 318384. Reporters may also email questionsto email@example.com ....
Surgical plugs in ear's bone stops strange form of severe dizziness
...nce. Falling down after a loud noise, such as the sound
of your own voice, a cough or even laughter. Thes...strength over time makes the ear hypersensitive to sound
and motion. A common complaint is autophony, where patients hear their own voices reverberating ins...
Survivors of childhood cancer face unemployment hardship
...ancer survivor data from the most methodologically sound
studies published. The prognosis for children diagnosed with cancer is excellent. More than seven in ten pediatric cancer patients now survive more than five years and most of those survive to adulthood. Survival is not without secondary problems, su...
Cure for reading glasses may be in view
... diffuse, researchers hit them with high frequency sound
waves, which push the bubbles against neighboring lens fibers. "Part of the sound
is reflected, and from the characteristic of the reflection, you know where the bubble is," O'Donnel...
Sleeping less linked to weight gain
...ounds more over the next 10 years. "That may not sound
like much, but it is an average amount--some women gained much more than that, and even a small difference in weight can increase a person's risk of health problems such as diabetes and hypertension," said lead researcher Sanjay Patel, M.D., Assistan...
Non-Hispanic blacks have best hearing in US, new study shows
...died the adults' "hearing thresholds," the softest sound
an individual could hear, over a range of frequencies. They found that non-Hispanic blacks have on average the best hearing thresholds, non-Hispanic whites the worst, with Mexican Americans in between. Women in general had better hearing compared to ...
Noisy classroom? Avoid sound-amplification systems, scientific society says
...nlymakes the situation worse. There should be less sound
in theclassroom,not more."...
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